28310104 has 8 divisors (see below), whose sum is σ = 53081460. Its totient is φ = 14155048.

The previous prime is 28310089. The next prime is 28310111. The reversal of 28310104 is 40101382.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1769374 + ... + 1769389.

Almost surely, 2^28310104 is an apocalyptic number.

It is an amenable number.

28310104 is a deficient number, since it is larger than the sum of its proper divisors (24771356).

28310104 is a wasteful number, since it uses less digits than its factorization.

28310104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538769 (or 3538765 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 28310104 is about 5320.7240108842. The cubic root of 28310104 is about 304.7758058608.

Adding to 28310104 its reverse (40101382), we get a palindrome (68411486).

The spelling of 28310104 in words is "twenty-eight million, three hundred ten thousand, one hundred four".